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JPL Small-Body Database Browser
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249981 (2001 VR101)
Classification:
Main-belt Asteroid
SPK-ID:
2249981
[
Ephemeris
|
Orbit Diagram
|
Orbital Elements
|
Mission Design
|
Physical Parameters
|
Discovery Circumstances
]
[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference:
JPL 20
(heliocentric ecliptic J2000)
Element
Value
Uncertainty (1-sigma)
Units
e
.09081952664860439
3.7091e-08
a
2.779161413794994
2.132e-08
au
q
2.526759289714066
1.0749e-07
au
i
4.077458572543156
4.7021e-06
deg
node
280.8870658260758
6.1347e-05
deg
peri
97.73480554603046
6.9571e-05
deg
M
303.2202454955907
3.0336e-05
deg
t
p
2458867.407079699729
(2020-Jan-18.90707970)
0.00014288
TDB
period
1692.267772740031
4.63
1.9473e-05
5.331e-08
d
yr
n
.2127322908342731
2.4479e-09
deg/d
Q
3.031563537875921
2.3256e-08
au
Orbit Determination Parameters
# obs. used (total)
409
data-arc span
6533 days (17.89 yr)
first obs. used
2001-11-12
last obs. used
2019-10-02
planetary ephem.
DE431
SB-pert. ephem.
SB431-N16
condition code
0
norm. resid. RMS
.59136
source
ORB
producer
Otto Matic
solution date
2019-Nov-08 02:49:44
Additional Information
Earth MOID
= 1.53197 au
Jupiter MOID
= 2.40964 au
T_jup
= 3.324
[ show covariance matrix ]
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
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Physical Parameters
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Discovery Circumstances
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Physical Parameter Table
Parameter
Symbol
Value
Units
Sigma
Reference
Notes
absolute magnitude
H
15.9
n/a
MPO454854
diameter
diameter
3.471
km
0.082
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo
albedo
0.093
0.014
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
249981 (2001 VR101)
Discovered 2001-Nov-12 by LINEAR at Socorro
Reference:
20100923/Numbers.arc
Last Updated:
2010-09-27
[
Ephemeris
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Orbit Diagram
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Orbital Elements
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Mission Design
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Physical Parameters
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Discovery Circumstances
]
2019-Dec-13 03:36 UT
(server date/time)
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Ryan S. Park
Webmaster
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